* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-size: 14px;
  text-decoration: none;
  list-style: none;
}
/* 
button {
  outline: none;
  border-radius: 0;
  background-color: transparent;
  line-height: inherit;
  width: max-content;
}

button:after {
  border: none;
} */

/*取消button点击的默认样式*/
/* button:focus {
  border: 0 none;
  outline: none !important;
} */

/* input,
textarea {
  outline: none;
  border: none;
}

textarea {
  resize: none;
  overflow: auto;
} */

select {
  border: none;
  appearance: none;
  -moz-appearance: none;
  -webkit-appearance: none;
  /*在选择框的最右侧中间显示小箭头图片*/
  background: url('http://ourjs.github.io/static/2015/arrow.png') no-repeat scroll right center transparent;
  padding-right: 14px;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

th,
td {
  height: 25px;
  line-height: 25px;
  border: 1px solid rgb(218, 218, 218);
  padding: 5px;
  box-sizing: border-box;
}

td {
  background-color: aliceblue;
}

html,
body,
#app {
  height: 100%;
}
